Richard could be an ordinary human being. Just a regular guy going about his daily life until he has an unexpected encounter with Thor. Maybe he works in a coffee shop and Thor stumbles in while chasing a villain.
Since I'm not well - versed in J J Fletcher's specific war novels, but in general, war novels might have detailed descriptions of military strategies. Maybe J J Fletcher's works also include such aspects.
I don't know exactly who J Andrews is in this story without reading it. But it's likely the protagonist or someone central to the events of the daydream - filled day.
A key factor is a strong case for hardship. If the person can show that going back to their home country would cause extreme hardship, like in cases of political unrest or lack of proper medical facilities for a pre - existing condition. Another is having a valid offer of employment or study in the US that is in the public interest.
I don't have enough details to know exactly who he is. He could be a writer, an artist, or just an ordinary person with an interesting story to tell in The New Yorker.
King Richard was a real historical figure. He was Richard I of England, also known as Richard the Lionheart. He was known for his military campaigns during the Crusades. However, over time, many fictional stories and legends have grown around him. For example, in some tales, his chivalry is highly exaggerated. But the basic facts of his reign, such as his leadership in war and his relationship with his family, are historical facts.